Home / 683,880,514.23-943,755,916.64-370,614,726.39

Finding the Fourth Proportional to 683,880,514.23, 943,755,916.64 and 370,614,726.39

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Solution

The fourth proportional to 683,880,514.23, 943,755,916.64 and 370,614,726.39 is: 511,448,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,880,514.23 : 943,755,916.64 = 370,614,726.39 : x
  2. Step 2: Convert to fraction form
    683,880,514.23/943,755,916.64 = 370,614,726.39/x
  3. Step 3: Cross multiply
    683,880,514.23x = 943,755,916.64 × 370,614,726.39
  4. Step 4: Simplify right side
    683,880,514.23x = 349,769,840,822,624,128
  5. Step 5: Solve for x
    x = 349,769,840,822,624,128/683,880,514.23
  6. Step 6: Final answer
    x = 511,448,759.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.